public class Test {
    public static void main(String[] args) {
        Solution s1=new Solution();
        s1.Insert(2);
        s1.Insert(1);
        s1.Insert(3);
        s1.Insert(4);
        s1.Insert(0);
        System.out.println(s1.NumberOf1Between1AndN_Solution(13));
        System.out.println("aaa");
    }
}
